Platystrophia

Platystrophia Temporal range: Darriwilian-Lochkovian ~468–419  Ma PreꞒ Ꞓ O S D C P T J K Pg N
Platystrophia ponderosa (Ordovician)
Scientific classification
Kingdom:	Animalia
Phylum:	Brachiopoda
Class:	Rhynchonellata
Order:	† Orthida
Family:	† Platystrophiidae
Genus:	† Platystrophia King, 1850
Type species
Terebratulites biforatus Schlotheim, 1820
Species
See Species.

Platystrophia is an extinct genus of brachiopods that lived from the Ordovician to the Silurian in Asia, Europe, North America, and South America. It has a prominent sulcus and fold. It usually lived in marine lime mud and sands.

Distribution

Platystrophia ponderosa has been found in the Fairview and Oregonia (=Arnheim) Formations, Platystrophia clarksvillensis in the Waynesville and Liberty Formations, and Platystrophia cypha from Grant Lake to the Liberty Formations. In South America, the genus is found in the Ordovician San Juan Formation of Argentina and the Caparo Formation of Venezuela. ^[1]

Species

Species in the genus Platystrophia include: ^{[1] [2]}

• P. acutilirata(Conrad, 1842)
• P. amoenaMcEwan, 1919
• P. annieanaFoerste, 1910
• P. anomalaHiller, 1980
• P. balticaZuykov and Harper, 2007
• P. biforatus(Schlotheim, 1820)
• P. caelataWilliams, 1974
• P. chamaEichwald, 1861
• P. clarkvillensisFoerste, 1910
• P. colbiensisFoerste, 1910
• P. costataZuykov, 2000
• P. costatus(Pander, 1830)
• P. crassoplicataAlichova, 1951
• P. cypha(James, 1874)
• P. dentataPander, 1830
• P. elegantulaMcEwan, 1919
• P. extensaMcEwan, 1920
• P. hongueda
• P. hopensis(Foerste, 1910)
• P. humilisLi and Copper, 2006
• P. laticosta(James, 1871)
• P. lutkevichiAlikhova, 1951
• P. lynxEichwald, 1830
• P. orbiculataOraspold, 1959
• P. pogreboviZuykov and Harper, 2007
• P. ponderosaFoerste, 1909
• P. profundosulcata(Meek, 1873)
• P. putilovensisZuykov, 1999
• P. quadriplicataAlikhova, 1951
• P. saxbyensisOraspold, 1959
• P. scoticaWilliams, 1962
• P. tramorensisLiljeroth et al., 2017
• P. trentonensisMcEwan, 1919

References

• Paleontology portal

1. Platystrophia at Fossilworks.org
2. Platystrophia at the Global Biodiversity Information Facility

Further reading

• Fossils (Smithsonian Handbooks) by David Ward (Page 79)